Note 8 - Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2025

Notes Tables

Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2025		2024		2025		2024
Stock options and restricted stock units, net of forfeitures	$	102	$	124	$	212	$	228
After-tax effect of stock-based compensation	$	102	$	124	$	212	$	228

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

						Weighted- Average
	Number			Weighted-		Remaining		Aggregate
	of			Average		Contractual		Intrinsic
	Options			Exercise Price		Term		Value
Outstanding on January 1, 2025		176,000		$	1.94
Granted		—			—
Exercised		—			—
Expired or forfeited		(105,000	)		2.44
Outstanding on June 30, 2025		71,000		$	1.20		0.84	$	2
Exercisable on June 30, 2025		71,000		$	1.20		0.84	$	2

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

				Weighted Average
				Grant Date
	Shares			Fair Value
Unvested restricted stock units at January 1, 2025		1,082,122		$	1.26
Granted		966,050			1.04
Vested		(513,850	)		1.26
Forfeited		(425,100	)		1.27
Unvested restricted stock units at June 30, 2025		1,109,222		$	1.06